Answer: Most likely the industrial revolution.
Explanation: The use of machines in production became more and more prevalent, eventually many factories were built in cities which caused pollution therefore making the air gross.
Answer: In the span of about 50 years, there were about 20 major and minor population migrations.
Explanation:
In the second half of the nineteenth century until the beginning of the 20th century, over 12 million migrants immigrated to the United States. The reasons were mostly economic in nature but also religious.
In 1860, a large number of Poles and Russians came for the aforementioned reason. These two national groups' continuous settlement can be followed until 1914 when about 2 million Poles and Russians immigrated.
In this context, we will also mention one event that caused population movements in the United States. In 1863, the Union banned slavery and allowed African Americans to join the military, causing large-scale migrations of the African-American population to the north.
Around 1880, primarily due to Italy's poor economic situation, a huge number of Italians immigrated to the united states. Since then, more intensive settlement of Italians in the unification of the state has begun.
The innovations led to an increase in deforestation and pollution so environmental issues. But it allowed the United States to be a strong country economically and politically.
The answer is that all
public school districts must <span>end
segregation. Nixon worked on ending
segregation in public schools. Despite
some opposition, Nixon through his aides worked things since Federal aid was on
hand. Through this effort less than 10%
of Black children were attending segregation schools as more and more African
Americans were now attending the same schools as Whites.</span>
